(765 ILCS 45/2)(from Ch. 116, par. 6)Sec. 2. In any county of this state where the records have been burned or
destroyed, as specified in the last section, and any map, plat, deed,
conveyance, contract, mortgage, deed of trust, or other instrument in
writing affecting real estate in such county, has been recorded in any
other county of this state, certified copies of the same, heretofore or
hereafter made, may be recorded in such county where the records have been
so burned or destroyed, and in recording the same the recorder shall record
all certificates attached thereto; and if any of such certificates show the
previous recording of the same in the county where the records have been
burned or destroyed, the date of filing for record, in such county
appearing in said certificate so recorded shall be deemed and taken as the
date of the record thereof. And copies of any such record, so authorized to
be made under this section, duly certified by the recorder of any such
county, under his seal of office, shall be received in evidence, and have
the same force and effect as certified copies of the original record.(Source: Laws 1871-72, p. 652.)